The underground expeditions are special investigations series directed by certain groups of talented and excellent ghoul investigators, which gets carried out in Tokyo's 24th ward.

The main goal may be solving the underground labyrinth, but playing "whack-a-mole" is a huge figure of it.

Maps with the routes are collected in a "reference room" after every expedition.[1]

Currently, Special Class Ghoul Investigator Kishou Arima is an important manager for these investigations.

Known explorersEdit




  1. Tokyo Ghoul Chapter 80

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